
'''simple docstring'''

from ...configuration_utils import PretrainedConfig
from ...utils import logging


UpperCAmelCase__ :			int											=		logging.get_logger(__name__)






class  A  (						SCREAMING_SNAKE_CASE__     ):
	snake_case__   :Any   =  'timm_backbone'





	def __init__(       self      :							Tuple   ,				__magic_name__      :							Tuple=None   ,				__magic_name__      :							Optional[Any]=3   ,				__magic_name__      :							Dict=True   ,				__magic_name__      :							str=True   ,				__magic_name__      :							List[Any]=None   ,				**__magic_name__      :							Tuple   ,				):


				"""simple docstring"""

				super().__init__(**__magic_name__				)
				lowerCAmelCase__										=				backbone
				lowerCAmelCase__										=				num_channels
				lowerCAmelCase__										=				features_only
				lowerCAmelCase__										=				use_pretrained_backbone
				lowerCAmelCase__										=				True
				lowerCAmelCase__										=				out_indices if out_indices is not None else (-1,)







"""simple docstring"""






from typing import Dict

from transformers import EvalPrediction, HfArgumentParser, TrainingArguments, is_torch_available
from transformers.testing_utils import (
    TestCasePlus,
    execute_subprocess_async,
    get_torch_dist_unique_port,
    require_torch_multi_gpu,
    require_torch_neuroncore,
)
from transformers.training_args import ParallelMode
from transformers.utils import logging


UpperCAmelCase        =				logging.get_logger(__name__)


if is_torch_available():
					import torch
					from torch import nn
					from torch.utils.data import Dataset

					from transformers import Trainer



					class 			lowercase					( lowercase__		):






								def __init__(self  :	int      ,SCREAMING_SNAKE_CASE_  :	int = 101			)       ->	List[str]:





									"""simple docstring"""


									lowerCAmelCase												=  length






								def __len__(self  :	Any			)       ->	List[Any]:





									"""simple docstring"""


									return self.length






								def __getitem__(self  :	str      ,SCREAMING_SNAKE_CASE_  :	Union[str, Any]			)       ->	int:





									"""simple docstring"""


									return i





					class 			lowercase					:






								def __call__(self  :	List[Any]      ,SCREAMING_SNAKE_CASE_  :	List[Any]			)       ->	Optional[Any]:





									"""simple docstring"""


									return {"input_ids": torch.tensor(SCREAMING_SNAKE_CASE_			), "labels": torch.tensor(SCREAMING_SNAKE_CASE_			)}





					class 			lowercase					( nn.Module		):






								def __init__(self  :	List[str]			)       ->	List[Any]:





									"""simple docstring"""


									super().__init__()
									# Add some (unused) params otherwise DDP will complain.
									lowerCAmelCase												=  nn.Linear(120      ,80			)






								def 					UpperCAmelCase							(self  :	Optional[int]      ,SCREAMING_SNAKE_CASE_  :	str      ,SCREAMING_SNAKE_CASE_  :	Optional[int]=None			)       ->	Union[str, Any]:





									"""simple docstring"""


									if labels is not None:
										return torch.tensor(0.0      ,device=input_ids.device			), input_ids
									else:
										return input_ids



class 			lowercase					( lowercase__		):






			@require_torch_neuroncore
			def 					UpperCAmelCase							(self  :	Union[str, Any]			)       ->	Union[str, Any]:





				"""simple docstring"""


				lowerCAmelCase												=  F"""--nproc_per_node=2
            --master_port={get_torch_dist_unique_port()}
            {self.test_file_dir}/test_trainer_distributed.py
        """.split()
				lowerCAmelCase												=  self.get_auto_remove_tmp_dir()
				lowerCAmelCase												=  F"""--output_dir {output_dir}""".split()
				lowerCAmelCase												=  ['''torchrun'''] + distributed_args + args
				execute_subprocess_async(SCREAMING_SNAKE_CASE_      ,env=self.get_env()			)
				# successful return here == success - any errors would have caused an error in the sub-call





class 			lowercase					( lowercase__		):






			@require_torch_multi_gpu
			def 					UpperCAmelCase							(self  :	List[str]			)       ->	List[str]:





				"""simple docstring"""


				lowerCAmelCase												=  F"""--nproc_per_node={torch.cuda.device_count()}
            --master_port={get_torch_dist_unique_port()}
            {self.test_file_dir}/test_trainer_distributed.py
        """.split()
				lowerCAmelCase												=  self.get_auto_remove_tmp_dir()
				lowerCAmelCase												=  F"""--output_dir {output_dir}""".split()
				lowerCAmelCase												=  ['''torchrun'''] + distributed_args + args
				execute_subprocess_async(SCREAMING_SNAKE_CASE_      ,env=self.get_env()			)
				# successful return here == success - any errors would have caused an error in the sub-call


if __name__ == "__main__":
					# The script below is meant to be run under torch.distributed, on a machine with multiple GPUs:
					#
					# PYTHONPATH="src" python -m torch.distributed.run --nproc_per_node 2 --output_dir output_dir ./tests/test_trainer_distributed.py

					UpperCAmelCase        =				HfArgumentParser((TrainingArguments,))
					UpperCAmelCase        =				parser.parse_args_into_dataclasses()[0]

					logger.warning(
					    f"""Process rank: {training_args.local_rank}, device: {training_args.device}, n_gpu: {training_args.n_gpu}, """
					    f"""distributed training: {training_args.parallel_mode != ParallelMode.NOT_DISTRIBUTED}"""
					)

					# Essentially, what we want to verify in the distributed case is that we get all samples back,
					# in the right order. (this is crucial for prediction for instance)
					for dataset_length in [1_0_1, 4_0, 7]:
										UpperCAmelCase        =				DummyDataset(dataset_length)




										def __magic_name__	(				_lowerCamelCase:		EvalPrediction			)					->						Dict:

											'''simple docstring'''




											lowerCAmelCase												=  list(range(len(_lowerCamelCase			)			)			)
											lowerCAmelCase												=  p.predictions.tolist() == sequential and p.label_ids.tolist() == sequential
											if not success and training_args.local_rank == 0:
												logger.warning(
												    '''Predictions and/or labels do not match expected results:\n  - predictions: '''
												    F"""{p.predictions.tolist()}\n  - labels: {p.label_ids.tolist()}\n  - expected: {sequential}"""			)
											return {"success": success}

										UpperCAmelCase        =				Trainer(
										    model=DummyModel(),
										    args=training_args,
										    data_collator=DummyDataCollator(),
										    eval_dataset=dataset,
										    compute_metrics=compute_metrics,
										)
										UpperCAmelCase        =				trainer.evaluate()
										logger.info(metrics)
										if metrics["eval_success"] is not True:
															logger.error(metrics)
															exit(1)

										UpperCAmelCase        =				trainer.predict(dataset)
										logger.info(p.metrics)
										if p.metrics["test_success"] is not True:
															logger.error(p.metrics)
															exit(1)

										UpperCAmelCase        =				2

										UpperCAmelCase        =				trainer.evaluate()
										logger.info(metrics)
										if metrics["eval_success"] is not True:
															logger.error(metrics)
															exit(1)

										UpperCAmelCase        =				trainer.predict(dataset)
										logger.info(p.metrics)
										if p.metrics["test_success"] is not True:
															logger.error(p.metrics)
															exit(1)



										UpperCAmelCase        =				None


